Pubic bone pain in pregnant women is generally considered to be a normal physiological phenomenon and can be gradually relieved after delivery. However, it can not be ruled out is caused by pathological factors, need to lift the cause of the disease can be relieved, the specific pain how long varies from person to person. 1. Physiological factors: after 28 weeks of pregnancy, as the uterus continues to grow, it will lead to excessive pressure on the pubic bone and cause pubic bone pain. However, this is a physiological phenomenon, and it is not suitable to receive oral medication, the symptoms can be gradually relieved after delivery. 2. Pathological factors: the emergence of pubic bone pain may also be induced by disease factors, such as traumatic factors, such as the pubic bone part of the strain or injury, and sacroiliac arthritis, sacroiliac joint disorders, as well as osteoporosis, etc., may cause pain in the pubic bone, need to be given under the guidance of the doctor to the targeted treatment, the specific recovery time varies from person to person. If a pregnant woman is unable to determine the cause of pubic bone pain, or the pain is more intense, it is recommended to go to a regular hospital as soon as possible to receive examination and treatment.